Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

Everything in nature has a geometric pattern—from the tiger's stripes and spirals in flowers to the unique fingerprints of ...

People with symmetry OCD feel intense distress when things don’t feel “just right” or aren’t symmetrical, even if there’s no clear logic behind it. Symmetry OCD isn’t a personal choice ...